RenderPipelineEditorUtility.GetDerivedTypesSupportedOnCurrentPipeline

Returns

Type[] Child types of the base type supported on current pipeline.

Description

Returns the types that're children of T and have a SupportedOnRenderPipelineAttribute corresponding to the render pipeline you're using. Order of the return types is arbitrary.

using UnityEditor.Rendering;
using UnityEngine;
using UnityEngine.Rendering;

public interface IBaseClass
{
}

[SupportedOnRenderPipeline]
public class SupportedOnClass : IBaseClass
{
}

public class BehaviourTest : MonoBehaviour
{
    void Start()
    {
        var types = RenderPipelineEditorUtility.GetDerivedTypesSupportedOnCurrentPipeline<IBaseClass>();
        foreach (var type in types)
        {
            Debug.Log($"{type.Name} is supported on current Render Pipeline.");
        }
    }
}

Additional resources: SupportedOnRenderPipelineAttribute.